> 
> Hi, 
> 
> after some test I had enough and took a RISCPC standard kernel config
> file,  compiled happily and found that it works in normal speed.
> 
> The only option that comes to my mind, that I didn't test but had
> modified in my personal kernels has been DIAGNOSTIC. I had commented it
> out.
> 
> Could somebody please confirm that kernels _without_ DIAGNOSTIC are
> horribly slow ?
> 

Ouch!  So does building your custom kernel with DIAGNOSTIC fix the problem?

R.